<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>数组</title>
</head>
<body>
    <script>
        let arr = new Array(4,5,6,7,7,8);
        console.log(arr.join(","));


        let array = [1,2,3,4,5,6];
        console.log(typeof array);

        console.table(array);
    </script>
</body>
</html>